A health worker holds a vial of the Pfizer/BioNTech coronavirus disease (COVID-19) vaccine, at the Munsieville Care for the Aged Centre outside Johannesburg, South Africa May 17, 2021.

Single dose of Pfizer, AstraZeneca Covid vaccine offers 60% protection for the elderly: Lancet study

Froth and foam floating at Sellur tank in Madurai | File

Best from science journals: Physics of foam

Shuvabrata Garai
Not sedate: Huge solar flares and coronal mass ejections spew material from the solar surface into outer space

Chandrayaan instrument helps unravel the mysteries of solar corona


Editor's Pick

In this file photo taken on April 22, 2016 a child remains at an area affected by a drought on Earth Day in the southern outskirts of Tegucigalpa, Honduras.

Hunger, drought, disease: UN climate report reveals dire health threats

The Euphlyctis Kerala species of frog discovered from near the Thattekkad bird sanctuary.

New species of skittering frog discovered from surroundings of Thattekkad bird sanctuary

Staff Reporter
Device providing super-hearing. The spherical array has 6 microphones sensitive to ultrasound. The ultrasounds are played back to the headphones so that the listener can detect the direction of their source correctly.Credit: Ville Pulkki/Aalto University

Hearing beyond the normal range


Other Articles